A touch panel includes an array of pixels, a scan drive circuit, and a touch detection circuit. The array includes a plurality of sets of scan lines and a plurality of sets of data lines that orthogonally intersect with each other. The plurality of sets of data lines includes a first type of sets and a second type of sets that are disposed apart from each other. The scan drive circuit is electrically connected with the sets of scan lines and provides each set of the scan lines with a first scan drive signal sequentially set by set. The touch detection circuit provides the first type of sets with a touch drive signal and detects a touch sense signal from the second type of sets when each set of scan lines receives the first scan drive signal.
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1. A touch panel, comprising: an array of pixels comprising a plurality of sets of scan lines, a plurality of sets of data lines intersecting orthogonally with the plurality of sets of scan lines, and a plurality of pixel elements coupled respectively with the plurality of sets of scan lines and the plurality of sets of data lines, wherein the plurality of sets of data lines comprises a first type of sets and a second type of sets disposed apart from each other; a scan drive circuit electrically connected with the plurality of sets of scan lines to provide each set of the plurality of sets of scan lines with a first scan drive signal sequentially set by set, wherein all scan lines in a set of scan lines are provided with the first scan drive signal at the same time when the set of scan lines is provided with the first scan drive signal; and a touch detection circuit electrically connected with the plurality of sets of data lines and configured to provide the first type of sets of the plurality of sets of data lines with a touch drive signal and to detect a touch sense signal from the second type of sets of the plurality of sets of data lines when each set of the plurality of sets of scan lines receives the first scan drive signal.
A touch panel includes a pixel array with sets of scan lines and sets of data lines arranged perpendicularly. Each pixel is connected to a scan line set and a data line set. The data line sets are of two types, kept separate from each other. A scan driver circuit activates each scan line set sequentially. A touch detection circuit sends a signal to the first type of data line sets and detects touch signals from the second type when a scan line set is activated. All scan lines within a set receive the activation signal simultaneously.
2. The touch panel according to claim 1 , wherein the plurality of sets of data lines further comprises a third type of sets, and the third type of sets is located between the first type of sets and the second type of sets; or the second type of sets is located between the first type of sets and the third type of sets; or the first type of sets is located between the second type of sets and the third type of sets.
The touch panel from the previous description includes a third type of data line set, positioned either between the first and second type, with the second type between the first and third, or with the first type between the second and third data line sets. This adds an additional layer of data lines to the existing separated first and second types of data lines.
3. The touch panel according to claim 2 , wherein the touch detection circuit applies a fixed potential to the third type of sets of the plurality of sets of data lines.
In the touch panel that includes first, second and third types of data line sets as previously described, the touch detection circuit applies a fixed voltage to the third type of data line sets. This keeps the third type of data lines at a constant electrical potential.
4. The touch panel according to claim 1 , wherein each set of the plurality of sets of scan lines comprises one or more scan lines; each set of the plurality of sets of data lines comprises one or more data lines; and the number of scan lines in each set of the plurality of sets of scan lines is the same.
In the touch panel as previously described, each set of scan lines has one or more scan lines, and each set of data lines has one or more data lines. Importantly, the number of scan lines in each scan line set is always the same.
5. The touch panel according to claim 1 , wherein each set of the plurality of sets of scan lines comprises one or more scan lines; each set of the plurality of sets of data lines comprises one or more data lines; and the number of data lines in each set of the plurality of sets of data lines among the same type of sets is the same.
In the touch panel as previously described, each set of scan lines has one or more scan lines, and each set of data lines has one or more data lines. The number of data lines in each set is the same for sets of the *same type* (i.e. all "first type" sets have the same number of data lines).
6. The touch panel according to claim 1 , wherein the touch panel further comprises a control circuit electrically connected with the first scan drive circuit and the touch detection circuit, the control circuit configured to coordinate operating timing between the first scan drive circuit and the touch detection circuit.
The touch panel from the first description includes a control circuit that coordinates the timing of the scan driver and touch detection circuits. This ensures the scan driver activates the scan lines at the correct time, and the touch detection circuit reads the data lines at the corresponding time.
7. The touch panel according to claim 1 , wherein each of the pixel elements comprises at least one pixel electrode and at least one pixel switch, the at least one pixel electrode coupled with a scan line and a data line through the at least one pixel switch.
In the touch panel as previously described, each pixel consists of at least one pixel electrode and at least one pixel switch (e.g. a transistor). The pixel electrode is connected to a scan line and a data line via the pixel switch, enabling individual pixel control.
8. A touch detection method for a touch panel having an array of pixels including a plurality of sets of data lines and a plurality of sets of scan lines intersecting orthogonally each other, a plurality of pixel elements each coupled with one of the sets of scan lines and one of the sets of data lines, the sets of data lines comprising a first type of sets and a second type of sets disposed apart from each other, the touch panel also having a scan drive circuit electrically connected with the sets of scan lines to provide each of the sets of scan lines with a first scan drive signal sequentially set by set and a touch detection circuit electrically connected with the sets of data lines for providing the first type of sets of the sets of data lines with a touch drive signal and for detecting a touch sense signal from a second type of sets of the sets of data lines when each set of the sets of scan lines receives the first scan drive signal, the touch detection method comprising: step 1, providing, by the scan drive circuit, one set of scan lines with the first scan drive signal; step 2, when the first scan drive circuit provides the first scan drive signal, providing, by the touch detection circuit, the first type of sets with the touch drive signal, and detecting, by the touch detection circuit, the touch sense signal from the second type of sets; and step 3, providing, by the first scan drive circuit, a next set of scan lines with the first scan drive signal, and performing the step 2, wherein the two sets of scan lines are adjacent, and the next set of scan lines was not provided with the first scan drive signal, wherein all scan lines in a set of scan lines are provided with the first scan drive signal at the same time when the set of scan lines is provided with the first scan drive signal.
A method for detecting touch on a touch panel. The panel has pixel array containing sets of data lines and sets of scan lines intersecting perpendicularly. The sets of data lines include a first type and a second type, separated from each other. The method involves: (1) Activating a set of scan lines using a scan driver circuit. All scan lines in that set are activated simultaneously. (2) While the scan lines are active, sending a touch drive signal to the first type of data line sets and detecting touch signals from the second type of data line sets using a touch detection circuit. (3) Activating the next adjacent set of scan lines, and repeating step 2.
9. The method according to claim 8 , wherein: the step 1 further comprises: providing, by the first scan drive circuit, a first set of scan lines with the first scan drive signal; and the step 3 further comprises: providing, by the first scan drive circuit, a second set of scan lines with the first scan drive signal and performing the step 2, wherein the second set of scan lines is adjacent to the first set of scan lines and was not provided with the first scan drive signal.
The touch detection method from the previous description, specifies the first step as activating a *first* set of scan lines. The third step then activates a *second* set of scan lines that is adjacent to the first and has not been previously activated, before repeating the signal and detection step.
10. A touch display panel, comprising: an array of pixels comprising a plurality of sets of scan lines, a plurality of sets of data lines intersecting orthogonally with the plurality of sets of scan lines, and a plurality of pixel elements coupled respectively with the plurality of sets of scan lines and the plurality of sets of data lines, wherein the plurality of sets of data lines comprise a first type of sets and a second type of sets arranged apart from each other; a first scan drive circuit electrically connected with the plurality of sets of scan lines and configured to provide each set of the plurality of sets of scan lines with a first scan drive signal sequentially set by set, wherein the first scan drive circuit provides each scan line in a set of scan lines with the first scan drive signal at the same time when the first scan drive circuit provides the a set of scan lines with the first scan drive signal; and a touch detection circuit electrically connected with the plurality of sets of data lines and configured to provide the first type of sets among the plurality of sets of data lines with a touch drive signal and to detect a touch sense signal from the second type of sets of the plurality of sets of data lines when each set of scan lines receives the first scan drive signal; a second scan drive circuit electrically connected with the plurality of sets of scan lines to provide each set of scan lines with a second scan drive signal after each set of scan lines receives the first scan drive signal; and a data drive circuit electrically connected with the plurality of sets of data lines to provide the plurality of sets of data lines with an image data signal after each row of scan lines receives the second scan drive signal.
A touch display panel combines a touch panel with a display. It includes a pixel array with sets of scan lines and data lines arranged perpendicularly. The data lines are of two types, kept separate. A first scan driver activates each scan line set sequentially. A touch detection circuit sends a signal to the first type of data line sets and detects touch signals from the second type while a scan line set is active. A second scan driver activates each scan line set after the first driver. A data driver provides image data to the data lines after the second scan driver activates the scan lines. Each scan line in the set receives the first scan signal simultaneously.
11. The touch display panel according to claim 10 , wherein the plurality of sets of data lines further comprise a third type of sets, and the third type of sets is located between the first type of sets and the second type of sets; or the second type of sets is located between the first type of sets and the third type of sets; or the first type of sets is located between the second type of sets and the third type of sets.
The touch display panel, as previously described, includes a third type of data line set, positioned either between the first and second type, with the second type between the first and third, or with the first type between the second and third data line sets. This configuration includes the first and second separated data line types, with the third inserted between them in the panel.
12. The touch display panel according to claim 11 , wherein the touch detection circuit applies a fixed potential to the third type of sets of the plurality of sets of data lines.
In the touch display panel that includes first, second and third types of data line sets as previously described, the touch detection circuit applies a fixed voltage to the third type of data line sets. This ensures the third type of data lines are kept at a constant electrical potential.
13. The touch display panel according to claim 10 , wherein each set of the plurality of sets of scan lines comprises one or more scan lines; each set of the plurality of sets of data lines comprises one or more data lines; and the number of scan lines in each set of scan lines is the same.
In the touch display panel as previously described, each set of scan lines has one or more scan lines, and each set of data lines has one or more data lines. The number of scan lines in each scan line set is the same across all scan line sets.
14. The touch display panel according to claim 10 , wherein each set of the plurality of sets of data lines comprises one or more scan lines; each set of the plurality of sets of data lines comprises one or more data lines; and the number of data lines in each set of the same type of sets of data lines is the same.
In the touch display panel as previously described, each set of scan lines has one or more scan lines, and each set of data lines has one or more data lines. Importantly, the number of data lines in each set is the same for sets of the *same type* (e.g. all "first type" sets have the same number of data lines).
15. The touch display panel according to claim 10 , wherein the second scan drive circuit provides each scan line in the set of scan lines with the second scan drive signal sequentially row by row after each set of scan lines receive the first scan drive signal at the same time.
In the touch display panel, the second scan driver activates each scan line individually, row by row, *after* the first scan driver has activated the entire set of scan lines simultaneously. The first scan driver activates the whole set at once and the second scan driver activates each line sequentially.
16. The touch display panel according to claim 10 , wherein the touch display panel further comprises a control circuit electrically connected with the first scan drive circuit, the second scan drive circuit, the touch detection circuit and the data drive circuit, the control circuit configured to coordinate operating timing among the first scan drive circuit, the second scan drive circuit, the touch detection circuit and the data drive circuit.
The touch display panel from the previous descriptions includes a control circuit that coordinates the timing of the first scan driver, the second scan driver, the touch detection circuit, and the data driver. The control circuit synchronizes touch sensing and display operations.
17. A touch detection method of the touch display panel containing an array of pixels having a plurality of sets of scan lines and a plurality of data lines intersecting orthogonally each other, a plurality of pixel elements each coupled with one of the sets of scan lines and one of the sets of data lines, the sets of data lines comprising a first type of sets and a second type of sets disposed apart from each other, the touch display panel also containing a first scan drive circuit electrically connected with the sets of scan lines for providing each of the sets of scan lines with a first scan drive signal sequentially set by set, a touch detection circuit electrically connected with the sets of data lines for providing the first type of sets with a touch drive signal and for detecting a touch sense signal from the second type of sets, a second scan drive circuit electrically connected with the sets of scan lines to provide each set of scan lines with a second scan drive signal after each set of scan lines receives the first scan drive signal, and a data drive circuit electrically connected with the sets of data lines to provide the sets of data lines with an image data signal after each row of scan lines receives the second drive signal, the touch detection method comprising: step 1, providing, by the first scan drive circuit, one set of scan lines with the first scan drive signal; step 2, when the first scan drive circuit provides the first scan drive signal, applying, by the touch detection circuit, the touch drive signal to the first type of sets, and detecting, by the touch detection circuit, the touch sense signal from the second type of sets; step 3, after the first scan drive circuit provides the first scan drive signal, providing, by the second scan drive circuit, the second set of scan lines with the second scan drive signal; step 4, when the second scan drive circuit provides the second scan drive signal, providing, by the data drive circuit, the plurality of sets of data lines with the image data signal; and step 5, providing, by the first scan drive circuit, a next set of scan lines with the first scan drive signal, and performing the step 2, wherein the two sets of scan lines are adjacent, and the next set of scan lines was not provided with the first scan drive signal, wherein all scan lines in a set of scan lines are provided with the first scan drive signal at the same time when the set of scan lines is provided with the first scan drive signal.
A method for touch detection in a touch display panel. The panel has pixel array with sets of data lines and sets of scan lines intersecting perpendicularly. The data lines have a first and second separated type. The panel has a first scan driver, a touch detection circuit, a second scan driver, and a data driver. The method involves: (1) Activating a set of scan lines using the first scan driver. All scan lines are activated at the same time. (2) Sending a touch signal and detecting a touch using the touch detection circuit. (3) Activating the same set of scan lines using the second scan driver. (4) Providing image data to data lines. (5) Activating the next adjacent set of scan lines using the first scan driver, repeating step 2.
18. The method according to claim 17 , wherein: the step 1 further comprises: providing, by the first scan drive circuit, the first set of scan lines with the first scan drive signal and performing the step 2; and the step 5 further comprises: providing, by the first scan drive circuit, the second set of scan lines with the first scan drive signal and performing the step 2, wherein the second set of scan lines is adjacent to the first set of scan lines and was not provided with the first scan drive signal.
The touch detection method for a touch display panel as described previously specifies the first step as activating a *first* set of scan lines using the first scan drive circuit and performing step 2 (touch signal and detection). Step 5 involves activating a *second* set of scan lines, adjacent to the first and not previously activated, using the first scan drive circuit and repeating step 2.
19. The method according to claim 18 , wherein in the step 3, the second scan drive circuit provides the one or more scan lines in the first set of scan lines with the second scan drive signal sequentially row by row after the first set of scan lines receives the first scan drive signal at the same time.
In the touch detection method as previously described, in step 3, the second scan driver activates the scan lines in the first set *one by one*, row by row, *after* the first scan driver has activated the entire first set of scan lines simultaneously.
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October 18, 2013
June 27, 2017
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